VM_SELECTITEM - Syntax

This message selects the value set item indicated by the values of the usRow and usColumn parameters. When a new item is selected, the previously selected item is deselected.

param1
     USHORT  usRow       /*  Row index. */
     USHORT  usColumn    /*  Column index. */

param2
     ULONG   ulReserved  /*  Reserved value, should be 0. */